Update SplitString calls in chrome.

chrome/test/chromedriver/chrome/adb_impl.cc

Index: chrome/test/chromedriver/chrome/adb_impl.cc
diff --git a/chrome/test/chromedriver/chrome/adb_impl.cc b/chrome/test/chromedriver/chrome/adb_impl.cc
index 46db3376c9a01b2cf717bb703658c3b619b0e86a..b177d7dc6b1381ba00b56fe057389e61399b9136 100644
--- a/chrome/test/chromedriver/chrome/adb_impl.cc
+++ b/chrome/test/chromedriver/chrome/adb_impl.cc
@@ -14,6 +14,7 @@
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_tokenizer.h"
+#include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/time/time.h"
@@ -87,8 +88,9 @@ Status AdbImpl::GetDevices(std::vector<std::string>* devices) {
     return status;
   base::StringTokenizer lines(response, "\n");
   while (lines.GetNext()) {
-    std::vector<std::string> fields;
-    base::SplitStringAlongWhitespace(lines.token(), &fields);
+    std::vector<std::string> fields = base::SplitString(
+        lines.token_piece(), base::kWhitespaceASCII,
+        base::KEEP_WHITESPACE, base::SPLIT_WANT_NONEMPTY);
     if (fields.size() == 2 && fields[1] == "device") {
       devices->push_back(fields[0]);
     }
@@ -199,17 +201,14 @@ Status AdbImpl::GetPidByName(const std::string& device_serial,
   if (!status.IsOk())
     return status;
 
-  std::vector<std::string> lines;
-  base::SplitString(response, '\n', &lines);
-  for (size_t i = 0; i < lines.size(); ++i) {
-    std::string line = lines[i];
-    if (line.empty())
-      continue;
-    std::vector<std::string> tokens;
-    base::SplitStringAlongWhitespace(line, &tokens);
+  for (const base::StringPiece& line : base::SplitString(
+           response, "\n", base::TRIM_WHITESPACE, base::SPLIT_WANT_NONEMPTY)) {
+    std::vector<base::StringPiece> tokens = base::SplitStringPiece(
+        line, base::kWhitespaceASCII,
+        base::KEEP_WHITESPACE, base::SPLIT_WANT_NONEMPTY);
     if (tokens.size() != 9)
       continue;
-    if (tokens[8].compare(process_name) == 0) {
+    if (tokens[8] == process_name) {
       if (base::StringToInt(tokens[1], pid)) {
         return Status(kOk);
       } else {